Now on VeniceLLMReasoningOpen weights

DeepSeek V4.1 Flash 1017 Uncensored

DeepSeek's October 2026 agentic flagship with refusal behavior removed in the weights — 1M context, vision, tools, and reasoning tiers at a fraction of closed-model pricing.

For agents
curl https://api.venice.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-1-flash-1017-uncensored",
    "messages": [{ "role": "user", "content": "Explain quantum tunneling simply." }]
  }'
Model IDdeepseek-v4-1-flash-1017-uncensored
Maker
DeepSeek (base); weights edited by Dealign AI
Context
1,000K tokens
Reasoning
Supported
Privacy
Private

Overview

What is DeepSeek V4.1 Flash 1017 Uncensored

DeepSeek V4.1 Flash 1017 Uncensored is an abliterated build of DeepSeek's October 17, 2026 V4.1 Flash model — a large mixture-of-experts LLM with 1M-token context, vision, tool calling and reasoning-effort tiers — with refusal behavior removed directly in the weights by Dealign AI. It ships under the MIT licence and runs privately on Venice.

Running it privately on Venice

On Venice, this model runs under the private tier with zero retention: your prompts are not stored, profiled, or used for training, and there is no personal history tied to your account. Because the uncensoring is baked into the weights rather than a jailbreak prompt, it behaves the same on every request. Venice serves the native FP8 checkpoint, and per-token billing means you only pay for what you use — no subscription required.

PrivateNo prompt trainingTEE · hardware enclaveEnd-to-end encrypted

Agent quickstart

Three calls, copied straight out

The API is OpenAI-compatible: change the base URL and the model id and existing client code works unchanged.

Streaming chat

curl https://api.venice.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-1-flash-1017-uncensored",
    "stream": true,
    "messages": [{ "role": "user", "content": "Draft the release note." }]
  }'

Tool calling

curl https://api.venice.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-1-flash-1017-uncensored",
    "messages": [{ "role": "user", "content": "Find the rate limits." }],
    "tools": [{
      "type": "function",
      "function": {
        "name": "search_docs",
        "description": "Search the API documentation.",
        "parameters": {
          "type": "object",
          "properties": { "query": { "type": "string" } },
          "required": ["query"]
        }
      }
    }],
    "tool_choice": "auto"
  }'

Python SDK

import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["VENICE_API_KEY"],
    base_url="https://api.venice.ai/api/v1",
)

resp = client.chat.completions.create(
    model="deepseek-v4-1-flash-1017-uncensored",
    messages=[{"role": "user", "content": "Build without permission."}],
)
print(resp.choices[0].message.content)

Specifications

Datasheet

Maker
DeepSeek (base); weights edited by Dealign AI
Open weights
Yes — MIT licence (base model); uncensored checkpoint published on Hugging Face
License
MIT
Context window
1,000K tokens
Input images
Multiple images per request; accepted formats and size limits not specified by the publisher
Released
October 17, 2026 (base model); uncensored FP8 build by Dealign AI; live on Venice since October 27, 2026
Architecture
Mixture-of-experts transformer, 40 layers, native FP8 (e4m3) weights with FP4 MoE experts
Parameters
552B total (MoE, per third-party reporting)
Quantization
FP8 (e4m3) with ue8m0 block scales
Reasoning effort tiers
low / high / max (per the publisher's model card)
Max output
128K tokens
Capabilities
Vision, Function calling, Reasoning, Web search, Code-optimized
Privacy on Venice
Private — zero retention
Available on Venice since
Oct 2026

Assessment

Strengths and limitations

Strengths
  • Strong agentic and coding performance: DeepSeek's own benchmarks show gains over the previous V4.1 Flash on Terminal-Bench 4.0, DeepSWE v1.1, ProgramBench and NL2Repo-Bench, with shorter outputs and faster task completion.
  • Refusal behavior is removed at the weight level: no system-prompt tricks or runtime hooks — so it loads and behaves like the base model while complying across topic categories.
  • Full upstream capability set preserved: vision, tool calling, reasoning-effort tiers, structured output, web search, and the native 1M-token context.
  • Open weights under MIT: you can self-host, fine-tune, or audit the model, an increasingly rare option at this capability level.
  • Very aggressive pricing on Venice ($0.33 in / $1.32 out per 1M tokens, cached input at $0.01) compared with closed frontier rivals.
  • The abliteration edit is applied to native FP8 weights rather than a low-bit re-quantization, preserving more of the base model's quality.
Limitations
  • Abliteration costs measured accuracy: the publisher reports MMLU dropping from 87.0% to 82.7%, concentrated in moral-scenario and professional-law questions — exactly the ones that reward hesitation.
  • At 552B parameters (MoE), self-hosting is out of reach for consumer hardware; independent testers needed four H200 GPUs.
  • It still trails the strongest closed models on several benchmarks — Anthropic's Opus 5 leads it on Terminal-Bench 4.0, HLE, and NL2Repo-Bench in DeepSeek's own tables.
  • On Venice this model runs in the private tier with zero retention but not inside a TEE and not with end-to-end encryption.
  • Publisher-reported compliance results (320/320 on HarmBench) are the maker's own numbers, not yet independently verified.

Use cases

What it is good for

  1. 01Agentic coding sessions — repo-wide refactors and multi-step tool chains inside the 1M-token window.
  2. 02Defensive security work on logs, payloads, and unpatched code where stock models tend to decline mid-investigation.
  3. 03Long-document analysis combining text and multiple screenshots or scans in one request.
  4. 04Structured extraction pipelines that need JSON-schema outputs and function calling.
  5. 05Self-hosted deployments — audit or fine-tune the MIT-licensed weights on your own infrastructure.

Prompting

Getting better results

Set the reasoning effort explicitly: low for quick answers, max for hard agentic or math work — the publisher's card lists low/high/max tiers.

Use the publisher's recommended sampling: temperature 1.0 and top_p 1.0, with max_tokens well above your expected output for heavy reasoning runs.

Attach multiple images in one request (logs, screenshots, diagrams) instead of spreading them across turns — multi-image input is supported.

Request JSON-schema structured output when chaining the model into tools, so function-call arguments arrive parseable.

Stuff your whole repo or document set into the 1M-token context for code tasks rather than summarizing — the model is tuned for large-context agentic work.

Turn thinking off for simple prompts — third-party testing showed it collapses reasoning output from ~43 tokens to ~2, cutting latency and cost.

Alternatives

How it compares

ModelBest forContextOpen weightsPrice (Venice)
DeepSeek V4.1 Flash 1017 UncensoredAgentic coding & low-refusal work1M tokensYes$0.33 in · $1.32 out / 1M
Gemini 3.8 FlashFast general assistant1M tokensNo$0.94 in · $4.69 out / 1M
Kimi K3.1 ProLong-document reasoning1M tokensNo$3 in · $15 out / 1M
Qwen 3.7 PlusBalanced multilingual chat1M tokensNo$0.50 in · $2 out / 1M
Google Gemma 4 31B InstructCheap open-weight fallback256K tokensYes$0.12 in · $0.36 out / 1M

Pick DeepSeek V4.1 Flash 1017 Uncensored when you need an open-weight, tool-using coding agent that keeps going where stock models refuse — at a third of Gemini's price and a tenth of Kimi's. For closed-model polish on general chat, Gemini 3.8 Flash is the alternative.

Pricing

What it costs on Venice

Billed per token on Venice: $0.33 per 1M input tokens and $1.32 per 1M output tokens.

Input / 1M tokens
$0.33
Per 1M tokens
Output / 1M tokens
$1.32
Per 1M tokens
Cached input / 1M
$0.01
Per 1M tokens

New Venice accounts include a free daily allowance and 500 welcome credits — no credit card required.

Getting a key

From nothing to a first call

  1. 01

    Create a key in API settings. Nothing else is required to start.

  2. 02

    Export it as VENICE_API_KEY so the snippets above run unedited.

  3. 03

    Point an existing OpenAI client at https://api.venice.ai/api/v1. The scheme is part of the value: an OpenAI client given a bare host does not resolve it.

  4. 04

    Pass deepseek-v4-1-flash-1017-uncensored as the model and send the request.

FAQ

Frequently asked questions

It is an abliterated version of DeepSeek-V4.1-Flash-1017, DeepSeek's October 17, 2026 release, with its refusal behavior removed in the weights by Dealign AI. It keeps the base model's 1M-token context, vision input, tool calling, reasoning-effort tiers, and MIT licence, and is served on Venice in native FP8.

Venice bills per token: $0.33 per 1M input tokens, $1.32 per 1M output tokens, and $0.01 per 1M cached input tokens. There is no subscription required — you pay only for what you use.

The underlying model is open source under the MIT licence — DeepSeek published the base weights on Hugging Face, and Dealign AI published the uncensored FP8 checkpoint. Using it on Venice is paid per token, though new Venice accounts include free daily prompts and welcome credits to try it.

It means the refusal behavior was removed at the weight level through abliteration — not via a system prompt, LoRA adapter, or runtime hook. The publisher reports the model answers across topic categories where the stock model declines, while preserving vision, tools, reasoning tiers, and the 1M context.

Yes. On Venice it supports tool use / function calling, vision with multiple image inputs per request, reasoning with selectable effort tiers, web search, structured JSON-schema output, and code-optimized tuning — all the upstream capabilities are preserved in the uncensored build.

Choose DeepSeek for agentic coding, large-context analysis, and workloads where stock models refuse mid-task — it is open weight and roughly a third of Gemini's price on Venice. Choose Gemini 3.8 Flash for fast, closed-model general assistance where raw polish matters more than openness or price.

It runs in Venice's private tier with zero retention: prompts are not stored, profiled, or used for training. Note that this model is not served inside a TEE and does not use end-to-end encryption — the privacy guarantee is Venice's no-storage policy, not cryptographic isolation.

The publisher's own testing reports MMLU dropping from 87.0% to 82.7%, with the loss concentrated in moral-scenario and professional-law questions. General reasoning, coding, and agentic benchmarks were preserved, and the edit was applied to native FP8 weights to minimize quantization error.

The weights are public on Hugging Face under the MIT licence, so self-hosting is legally fine — but at 552B MoE parameters in FP8, independent testers needed four H200 GPUs. Most users will find Venice's per-token pricing far cheaper than running the hardware.

Run DeepSeek V4.1 Flash 1017 Uncensored privately

One key, free to start, no credit card.

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